* {
    margin: 0;
    padding: 0;
    box-sizing:border-box;
}
a {
    text-decoration:none;
}
img {
    width: 100%;
    color: red;
}
body {
    height: 600px;
    width: 100%;
}
#app{
   width: 1200px;
   height: 100%;
   margin: auto;
   position: relative;
}
#app div {
    float: left;
}
.shuxin {
    height: 100%;
    width: 15%;
    /*background-color: blue;*/
    border: 2px solid black;
    overflow: hidden;
}
.shuxin button {
    width: 100%;
    height: 30px;
    line-height: 30px;
}
.zhanwei {
    height: 100%;
    width: 75%;
    /*background-color: red;*/
    border: 2px solid black;
    padding: 24% 15px;
}
.zhanwei button {
    width: 13.7%;
    height: 100px;
    
}
.renwu {
    height: 100%;
    width: 10%;
    /*background-color: black;*/
    border: 2px solid black;
    overflow: hidden;
}
.renwu button {
    width: 100%;
    height: 24px;
    text-align: center;
    
}
.scrolls {
    height: 100%;
    width: 100%;
    overflow-x: hidden;
    overflow-y: scroll;
}

.scrolls::-webkit-scrollbar {
    width:0px;
    height:0px;
}
/*.weizhi {
    width: 100%;
    height: 100%;
    padding: 20% 20px;
}*/
.rwd {
    display: none;
    width: 100%;
}
.dingwei {
    position: absolute;
    top: 20%;
    left: 50%;
}
.dingwei button {
    width: 50px;
    height: 30px;
}